Arduino Spa or Pool Monitor
SpaSitter is open source spa or pool monitor designed by Brian Huebner. It remotely monitors pH, ORP (Oxidation Reduction Potential) and temperature of Spa or Pool. It can help you monitor water...
View ArticleRoom Visitor Counter
This room visitor counter counts how many people are currently in the room. It will detect someone who enter or exit the room. When there is at least one person in the room, the relay is switched on....
View ArticleAVR Remote Power Control
PowerManager allows you to monitor and control your home power through a web browser on a local area network (LAN). You can turn on or off any devices that plugged to PowerManager’s outlets with the...
View ArticlePIC16F74 Room Thermostat for Gas Boiler
This Room Thermostat provides better controller for gas boiler. Instead using water temperature inside boiler, the device uses room temperature as parameter to switch boiler on or off through relay....
View ArticleAir Humidity and Temperature Data Logger
This temperature and air humidity data logger is built based on PIC16F876A microcontroller and SHT11 sensor. The sensor provides accurate measurement and is fully calibrated (no need to calibrate from...
View ArticleDigital Thermometer for Car, DS18S20
This digital thermometer is built as additional feature for car without outside temperature indicator. The project is built based on Attiny2313 microcontroller and DS18S20, 1 Wire Parasite-Power...
View ArticleRaspberry Pi & Arduino based Smart Fishtank
Hayden has built the internet enabled fishtank with so many features. It has automatic feeding, timer enabled LED lights, matrix display with scrolling messages, ultrasonic depth monitor, thermometer,...
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